ZA98384B - Method of producing a foamy slag layer in an electric arc furnace - Google Patents
Method of producing a foamy slag layer in an electric arc furnaceInfo
- Publication number
- ZA98384B ZA98384B ZA98384A ZA98384A ZA98384B ZA 98384 B ZA98384 B ZA 98384B ZA 98384 A ZA98384 A ZA 98384A ZA 98384 A ZA98384 A ZA 98384A ZA 98384 B ZA98384 B ZA 98384B
- Authority
- ZA
- South Africa
- Prior art keywords
- producing
- electric arc
- arc furnace
- slag layer
- foamy slag
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/20—Arrangements of heating devices
- F27B3/205—Burners
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2300/00—Process aspects
- C21C2300/02—Foam creation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79094897A | 1997-01-29 | 1997-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA98384B true ZA98384B (en) | 1998-07-30 |
Family
ID=25152208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA98384A ZA98384B (en) | 1997-01-29 | 1998-01-16 | Method of producing a foamy slag layer in an electric arc furnace |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0857792A1 (fr) |
CN (1) | CN1195705A (fr) |
AU (1) | AU5271298A (fr) |
CZ (1) | CZ18198A3 (fr) |
ID (1) | ID19757A (fr) |
PL (1) | PL324544A1 (fr) |
SK (1) | SK9198A3 (fr) |
ZA (1) | ZA98384B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2780070B1 (fr) * | 1998-06-22 | 2001-06-08 | Elf Antar France | Procede de moussage d'un laitier recouvrant un bain d'acier en fusion |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4447265A (en) * | 1983-06-27 | 1984-05-08 | Schwer John W | Method and composition for foaming slag in electric arc furnace |
AT396942B (de) * | 1991-12-16 | 1993-12-27 | Voest Alpine Ind Anlagen | Verfahren zum herstellen von metallschmelzen, insbesondere stahlschmelzen |
ATA155793A (de) * | 1993-08-04 | 1996-04-15 | Voest Alpine Ind Anlagen | Verfahren zum herstellen einer metallschmelze und anlage zur durchführung des verfahrens |
DE4425089C1 (de) * | 1994-07-15 | 1996-01-11 | Hamburger Stahlwerke Gmbh | Verfahren zur Steuerung der Schaumschlackebildung im Drehstromlichtbogenofen |
EP0753586A2 (fr) * | 1995-06-16 | 1997-01-15 | ELTI S.r.l. | Procédé pour la fabrication d'acier, en particulier dans les fours électriques |
-
1997
- 1997-12-18 EP EP97310275A patent/EP0857792A1/fr not_active Withdrawn
- 1997-12-26 ID IDP974005A patent/ID19757A/id unknown
-
1998
- 1998-01-16 ZA ZA98384A patent/ZA98384B/xx unknown
- 1998-01-20 CZ CZ98181A patent/CZ18198A3/cs unknown
- 1998-01-23 AU AU52712/98A patent/AU5271298A/en not_active Abandoned
- 1998-01-23 SK SK91-98A patent/SK9198A3/sk unknown
- 1998-01-26 CN CN98104393A patent/CN1195705A/zh active Pending
- 1998-01-28 PL PL98324544A patent/PL324544A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN1195705A (zh) | 1998-10-14 |
PL324544A1 (en) | 1998-08-03 |
EP0857792A1 (fr) | 1998-08-12 |
AU5271298A (en) | 1998-08-06 |
CZ18198A3 (cs) | 1999-09-15 |
SK9198A3 (en) | 1999-01-11 |
ID19757A (id) | 1998-07-30 |
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